﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Demo01
{
    class Program
    {
        static void Main(string[] args)
        {
            MusicTeacher m = new MusicTeacher("张三");
            m.pritln();

            Programmer n = new Programmer("赵四");
            n.pritln();
        }
    }
}
